45#無縫鋼管現貨供應

　　45#無縫鋼管的現貨資源目前規格齊全，無縫鋼管用途很廣泛。一般用途的無縫鋼管由普通(tong)的碳(tan)素結(jie)構(gou)鋼、低合金(jin)結(jie)構(gou)鋼或合金(jin)結(jie)構(gou)鋼軋(ya)制，產量(liang)最多，主要(yao)用作輸送流體的管(guan)道或結(jie)構(gou)零件(jian)。

　　根據用途(tu)不同分三(san)類供應(ying)：

　　A、按化學成分和機械性(xing)能(neng)供應;

　　B、按(an)機械)性能供應;

　　C、按水壓試驗供應。GB9948無縫鋼管主要用來生產氣動或液壓 元件的產品，如氣缸或油缸，都是用無縫管。45#無縫鋼管的化學成(cheng)分有(you)碳C、硅Si、錳(meng)Mn、硫S、磷P、鉻Cr。GB5310無(wu)縫(feng)鋼管(guan)(guan)(guan)(guan)按(an)照用途(tu)分為結構用無(wu)縫(feng)鋼管(guan)(guan)(guan)(guan);輸送用無(wu)縫(feng)鋼管(guan)(guan)(guan)(guan);鍋(guo)爐用無(wu)縫(feng)鋼管(guan)(guan)(guan)(guan);鍋(guo)爐用高壓無(wu)縫(feng)鋼管(guan)(guan)(guan)(guan).無(wu)縫(feng)鋼管(guan)(guan)(guan)(guan)按(an)照斷(duan)面形(xing)(xing)(xing)(xing)狀，無(wu)縫(feng)鋼管(guan)(guan)(guan)(guan)分圓形(xing)(xing)(xing)(xing)和(he)異形(xing)(xing)(xing)(xing)兩(liang)種，異形(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)有(you)方形(xing)(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)(xing)、三角形(xing)(xing)(xing)(xing)、六角形(xing)(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)(xing)、星形(xing)(xing)(xing)(xing)、 帶翅管(guan)(guan)(guan)(guan)多(duo)種復(fu)雜形(xing)(xing)(xing)(xing)狀。按(an)

　　A、b類供(gong)應的鋼(gang)(gang)(gang)管(guan)(guan)(guan)，如(ru)用(yong)(yong)于承(cheng)受(shou)液(ye)體(ti)壓力，也要進行水壓(特指:壓強(qiang))試驗。3、專(zhuan)門用(yong)(yong)途的無縫管(guan)(guan)(guan)有鍋爐用(yong)(yong)無縫管(guan)(guan)(guan)、化工電力用(yong)(yong)，地質用(yong)(yong)無縫鋼(gang)(gang)(gang)管(guan)(guan)(guan)及石(shi)(shi)油(you)用(yong)(yong)無縫管(guan)(guan)(guan)等(deng)多種。 無縫鋼(gang)(gang)(gang)管(guan)(guan)(guan)具有中空(kong)截面(mian)，大量用(yong)(yong)作(zuo)輸送(song)流(liu)體(ti)的管(guan)(guan)(guan)道，如(ru)輸送(song)石(shi)(shi)油(you)、天然氣(qi)、煤(mei)氣(qi)、水及某些固(gu)體(ti)物料的管(guan)(guan)(guan)道等(deng)。鋼(gang)(gang)(gang)管(guan)(guan)(guan)與圓鋼(gang)(gang)(gang)等(deng)實心鋼(gang)(gang)(gang)材相(xiang)比，在(zai)抗彎(wan)抗扭強(qiang)度相(xiang)同時，重量較(jiao)輕(qing)，是一種經濟(ji)截面(mian)鋼(gang)(gang)(gang)材。 廣泛用(yong)(yong)于制(zhi)(zhi)造(zao)結構(gou)件和(he)機械零(ling)件，如(ru)石(shi)(shi)油(you)鉆桿、汽車傳動軸(傳動軸組成:軸管(guan)(guan)(guan)、伸縮套(tao)和(he)萬向節)、自行車架以及建(jian)筑)施工中用(yong)(yong)的鋼(gang)(gang)(gang)腳手架等(deng)用(yong)(yong)鋼(gang)(gang)(gang)管(guan)(guan)(guan)制(zhi)(zhi)造(zao)環形(xing)零(ling)件，可提高材料利用(yong)(yong)率，簡化制(zhi)(zhi)造(zao)工序，節約材料和(he)加工工時，已廣泛用(yong)(yong)鋼(gang)(gang)(gang)管(guan)(guan)(guan)來制(zhi)(zhi)造(zao)。